212212472 has 16 divisors (see below), whose sum is σ = 398133240. Its totient is φ = 106043616.

The previous prime is 212212457. The next prime is 212212489. The reversal of 212212472 is 274212212.

212212472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8603 + ... + 22325.

Almost surely, 2^212212472 is an apocalyptic number.

It is an amenable number.

212212472 is a deficient number, since it is larger than the sum of its proper divisors (185920768).

212212472 is a wasteful number, since it uses less digits than its factorization.

212212472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15662 (or 15658 counting only the distinct ones).

The product of its digits is 896, while the sum is 23.

The square root of 212212472 is about 14567.5142697716. The cubic root of 212212472 is about 596.4723295126.

Adding to 212212472 its reverse (274212212), we get a palindrome (486424684).

The spelling of 212212472 in words is "two hundred twelve million, two hundred twelve thousand, four hundred seventy-two".